1.1 TMS320F28x eCAN Features

• Full implementation of CAN protocol, version 2.0B
• 32 mailboxes, each with the following properties:
  • Configurable as receive or transmit
  • Configurable with standard or extended identifier
  • Has a programmable receive mask (every mailbox has its own mask)
  • Supports data and remote frame
  • Composed of 0 to 8 bytes of data
  • Uses a 32-bit time stamp on receive and transmit message
  • Protects against reception of new message
  • Holds the dynamically programmable priority of transmit message
  • Employs a programmable interrupt scheme with two interrupt levels
  • Employs a programmable alarm on transmission or reception time-out
• Low-power mode
• Programmable wake-up on bus activity
• Automatic reply to a remote request message
• Automatic retransmission of a frame in case of loss of arbitration or error
• 32-bit Time Stamp Counter (TSC), which can be synchronized by a specific mailbox